HTML Validator

Good:
0 errors, 0 warnings

The validated page has no errors found by the SGML Parser . You are now ready to double-check that your page is really HTML Valid by going to W3C Online Validator. If you page page passes the test of the W3C, you will be able to add one of these tags to your page:

HTML Validator based on Tidy    or     HTML Validator based on Tidy

Even if this Firefox extension try to mimic the behavior of the real W3c validator, it can have errors that results to different results.

Extension homepage: http://users.skynet.be/mgueury/mozilla/